Welcome to the Tri-Dam ProjectTri-Dam Project is a partnership between the Oakdale Irrigation District and the South San Joaquin Irrigation District.
Golden Mussel & Aquatic Invasive Species (AIS) InformationTri-Dam Project is actively working to prevent the introduction and spread of aquatic invasive species, including the Golden Mussel. The invasive Golden mussel (Limnoperna fortunei), a non-native…
Road ConditionsControl of these roads are under the jurisdiction of the USFS beginning 4.15.2026 until Winter Closure this fall. If you cannot access this road due to locked gates, please contact the Summit Ranger…
Tulloch Reservoir Permitting ProcessAs noted above, Tri-Dam is required through its license with the Federal Energy Regulatory Commission (FERC) to review and authorize any activity in and around the reservoir within the boundaries…
